# encoding: utf-8
import random


def randomPasswd():
	l = [chr(x) for x in range(ord('a'), ord('z')+1)] + [chr(x) for x in range(ord('A'), ord('Z')+1)] + [x for x in range(10)]
	rand_l = [str(x) for x in random.sample(l, 8) if type(x) in (str, int )]
	return ''.join(rand_l)
		
for i in range(10):
	print('第{}组:{}'.format(i+1,randomPasswd()))
